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General information about the various mods available to 4x4 vehicles covering pros and cons to assist in the decision of "Is this the right mod?"

Manual transmission sloppy shifting? Try a new shifter seat!

shifter

The shifter seat is located at the base of the transmission at the very end of the shifter.  Unscrew your shift knobs too. You will need to remove all the trim parts to access the shifter boot.  There are several bolts holding down the 2 shift boots to the body, remove those and pull the shift boot up and out of the way.  You will see the shifter base plate and the second shift boot:

 

Pull up on the shifter boot to expose the lock ring.  You will see two flat spots.  Push down hard on these, one hand on each flat spot. 

 

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Brake Booster Replacement

Brake problems can manifest themselves in a number of ways. Shoes or pads can wear out, leaks can develop in the master or slave cylinders, or the power booster on a power brake system could fail. In this case, the problem was the brake booster leaking vacuum on a 1994 Land Cruiser FZJ80.

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Thanks to 4X4

I just change the timing belt in my Toyota successfully thanks to Mark Grieves. He article was of great help. Keep the good work.

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Time to Replace the O2 Sensor on your 3rd Gen Toyota?

If you are not familiar with the OBDII (On Board Diagnostic generation II) systems used on 3rd generation and later Toyotas, you might want to read this reference before proceeding further in this article. As described in the reference article, the oxygen sensor in the exhaust system is the key "feedback" sensor for correcting and maintaining the proper fuel mixture. It measures the post-combustion gases to determine the actual air/fuel mixture of the prior combustion cycle and then, the ECU adjusts the fuel trim percentage on the next combustion cycle, to keep the fuel mixture at the optimum value.

As the oxygen sensor ages, its responsiveness begins to slow down. Since I have a BR-3 OBD-II scanner that can read the voltages generated by the O2 sensor, I thought I would be able to see some indication in the voltage signal that my O2 sensor was not providing optimum performance. However when I examined the O2 Sensor Output with the engine idling, it appeared to be pretty much the same as I had seen when the vehicle was new. Also, the error codes applicable to the O2 Sensor had not shown up and turned on the Check Engine light.

However, if the Check Engine Light were to turn on with one of the following O2 Sensor codes stored, you should follow the diagnostic procedure and replace the O2 sensor if so indicated in the diagnostic procedure.

Read more of Tech: Time to Replace the O2 Sensor on your 3rd Gen Toyota? in the 4x4Wire.com Archives.

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Toyota 3.4L V6 Timing Belt Replacement

To do this successfully at home you will need an assortment of hand tools, a 250 foot pound torque wrench, Snap-On tool number YA9730, a special tool to hold the crankshaft pulley, help from a friend, and considerable experience working on vehicles. The factory timing belt is less than $50, but most owners want to replace the water pump, thermostat, and all the drive belts such as the alternator, power steering, and air conditioning (if equipped). These additional parts, along with supplies such as coolant and sealant will put the total cost close to $200, which is typically about fifty bucks less than what a dealer would charge to replace just the belt.

Click here to read more of Toyota Maintenance: 3.4L V6 Timing Belt Replacement from the 4x4Wire.com archives/

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